Enlightenment CVS committal
Author : tsauerbeck
Project : e17
Module : apps/euphoria
Dir : e17/apps/euphoria/src
Modified Files:
callbacks.c callbacks.h euphoria.c
Log Message:
added peak analyzer code
===================================================================
RCS file: /cvsroot/enlightenment/e17/apps/euphoria/src/callbacks.c,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -3 -r1.21 -r1.22
--- callbacks.c 16 Mar 2004 18:14:34 -0000 1.21
+++ callbacks.c 19 Mar 2004 20:45:22 -0000 1.22
@@ -1,5 +1,5 @@
/*
- * $Id: callbacks.c,v 1.21 2004/03/16 18:14:34 tsauerbeck Exp $
+ * $Id: callbacks.c,v 1.22 2004/03/19 20:45:22 tsauerbeck Exp $
* vim:noexpandtab:sw=4:sts=4:ts=4
*/
@@ -13,6 +13,9 @@
#include "utils.h"
#include "callbacks.h"
+#define FFT_BITS 10
+#define FFT_LEN (1 << FFT_BITS)
+
typedef enum {
PLAYBACK_STATE_STOPPED,
PLAYBACK_STATE_PAUSED,
@@ -635,11 +638,34 @@
if (!(ids = xmmscs_playlist_list(e->xmms)))
return;
- for (i = 0; ids[i]; i++) {
+ for (i = 0; ids[i]; i++)
if ((pli = playlist_item_find_by_id(e->playlist, ids[i]))) {
e_container_element_remove(pli->container, pli->edje);
e_container_element_append(pli->container, pli->edje);
} else
fprintf(stderr, "Unable to find %d: %d\n", i, ids[i]);
+}
+
+XMMS_CB(visdata) {
+ double *input = arg;
+ float spec[FFT_LEN / 2], sum, peak = 0.0;
+ int i, j;
+
+ for (i = 0; i < FFT_LEN / 2; i++)
+ spec[i] = input[i + 1];
+
+ for (i = 0; i < FFT_LEN / 32 / 2; i++) {
+ for (sum = 0.0, j = 0; j < 32; j++)
+ sum += spec[i * 16 + j];
+
+ if (sum)
+ sum = log(sum / 32);
+
+ sum = MIN(255, sum * 64);
+ peak = MAX(peak, sum);
}
+
+ peak = 1 - (peak / 255);
+
+ edje_object_part_drag_value_set(e->gui.edje, "peak_analyzer", 0, peak);
}
===================================================================
RCS file: /cvsroot/enlightenment/e17/apps/euphoria/src/callbacks.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -3 -r1.7 -r1.8
--- callbacks.h 1 Mar 2004 22:45:36 -0000 1.7
+++ callbacks.h 19 Mar 2004 20:45:22 -0000 1.8
@@ -2,7 +2,7 @@
#define __CALLBACKS_H
/*
- * $Id: callbacks.h,v 1.7 2004/03/01 22:45:36 atmosphere Exp $
+ * $Id: callbacks.h,v 1.8 2004/03/19 20:45:22 tsauerbeck Exp $
* vim:noexpandtab:sw=4:sts=4:ts=4
*/
@@ -74,6 +74,7 @@
XMMS_CB(playlist_remove);
XMMS_CB(playlist_clear);
XMMS_CB(playlist_shuffle);
+XMMS_CB(visdata);
#endif
===================================================================
RCS file: /cvsroot/enlightenment/e17/apps/euphoria/src/euphoria.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -3 -r1.10 -r1.11
--- euphoria.c 16 Mar 2004 18:14:34 -0000 1.10
+++ euphoria.c 19 Mar 2004 20:45:22 -0000 1.11
@@ -1,5 +1,5 @@
/*
- * $Id: euphoria.c,v 1.10 2004/03/16 18:14:34 tsauerbeck Exp $
+ * $Id: euphoria.c,v 1.11 2004/03/19 20:45:22 tsauerbeck Exp $
* vim:noexpandtab:sw=4:sts=4:ts=4
*/
@@ -104,6 +104,8 @@
(XmmsCb) on_xmms_playlist_clear, e);
xmmsc_set_callback(e->xmms, XMMS_SIGNAL_PLAYLIST_SHUFFLE,
(XmmsCb) on_xmms_playlist_shuffle, e);
+ xmmsc_set_callback(e->xmms, XMMS_SIGNAL_VISUALISATION_SPECTRUM,
+ (XmmsCb) on_xmms_visdata, e);
return true;
}
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